You don’t need to type anything in the Domain box. Type the information requested in the Email, Username, and Password boxes. You need to type your full email address in the Email and Usernameboxes (for example, tony@contoso.com).

Tap Next on the upper-right corner of the screen. Your mail program will try to find the settings it needs to set up your account. Go to step 8 if your mail program finds your settings.